Home / 193,181.98-266,720.56-120,695.22

Finding the Fourth Proportional to 193,181.98, 266,720.56 and 120,695.22

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Solution

The fourth proportional to 193,181.98, 266,720.56 and 120,695.22 is: 166,640.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,181.98 : 266,720.56 = 120,695.22 : x
  2. Step 2: Convert to fraction form
    193,181.98/266,720.56 = 120,695.22/x
  3. Step 3: Cross multiply
    193,181.98x = 266,720.56 × 120,695.22
  4. Step 4: Simplify right side
    193,181.98x = 32,191,896,667.72
  5. Step 5: Solve for x
    x = 32,191,896,667.72/193,181.98
  6. Step 6: Final answer
    x = 166,640.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.